81221400

素因数分解:

$2^3\times 3^3\times 5^2\times {\mathrm{13}}^2\times {\mathrm{89}}^1$

素因数の和:140

約数の個数: 288

約数和(自身を含む): 306342000

約数和(自身を除く): 225120600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 25, 26, 27, 30, 36, 39, 40, 45, 50, 52, 54, 60, 65, 72, 75, 78, 89, 90, 100, 104, 108, 117, 120, 130, 135, 150, 156, 169, 178, 180, 195, 200, 216, 225, 234, 260, 267, 270, 300, 312, 325, 338, 351, 356, 360, 390, 445, 450, 468, 507, 520, 534, 540, 585, 600, 650, 675, 676, 702, 712, 780, 801, 845, 890, 900, 936, 975, 1014, 1068, 1080, 1157, 1170, 1300, 1335, 1350, 1352, 1404, 1521, 1560, 1602, 1690, 1755, 1780, 1800, 1950, 2028, 2136, 2225, 2314, 2340, 2403, 2535, 2600, 2670, 2700, 2808, 2925, 3042, 3204, 3380, 3471, 3510, 3560, 3900, 4005, 4056, 4225, 4450, 4563, 4628, 4680, 4806, 5070, 5340, 5400, 5785, 5850, 6084, 6408, 6675, 6760, 6942, 7020, 7605, 7800, 8010, 8450, 8775, 8900, 9126, 9256, 9612, 10140, 10413, 10680, 11570, 11700, 12015, 12168, 12675, 13350, 13884, 14040, 15041, 15210, 16020, 16900, 17355, 17550, 17800, 18252, 19224, 20025, 20280, 20826, 22815, 23140, 23400, 24030, 25350, 26700, 27768, 28925, 30082, 30420, 31239, 32040, 33800, 34710, 35100, 36504, 38025, 40050, 41652, 45123, 45630, 46280, 48060, 50700, 52065, 53400, 57850, 60075, 60164, 60840, 62478, 69420, 70200, 75205, 76050, 80100, 83304, 86775, 90246, 91260, 96120, 101400, 104130, 114075, 115700, 120150, 120328, 124956, 135369, 138840, 150410, 152100, 156195, 160200, 173550, 180492, 182520, 208260, 225615, 228150, 231400, 240300, 249912, 260325, 270738, 300820, 304200, 312390, 347100, 360984, 376025, 406107, 416520, 451230, 456300, 480600, 520650, 541476, 601640, 624780, 676845, 694200, 752050, 780975, 812214, 902460, 912600, 1041300, 1082952, 1128075, 1249560, 1353690, 1504100, 1561950, 1624428, 1804920, 2030535, 2082600, 2256150, 2707380, 3008200, 3123900, 3248856, 3384225, 4061070, 4512300, 5414760, 6247800, 6768450, 8122140, 9024600, 10152675, 13536900, 16244280, 20305350, 27073800, 40610700, 81221400]

約数ペア:

[(1, 81221400), (2, 40610700), (3, 27073800), (4, 20305350), (5, 16244280), (6, 13536900), (8, 10152675), (9, 9024600), (10, 8122140), (12, 6768450), (13, 6247800), (15, 5414760), (18, 4512300), (20, 4061070), (24, 3384225), (25, 3248856), (26, 3123900), (27, 3008200), (30, 2707380), (36, 2256150), (39, 2082600), (40, 2030535), (45, 1804920), (50, 1624428), (52, 1561950), (54, 1504100), (60, 1353690), (65, 1249560), (72, 1128075), (75, 1082952), (78, 1041300), (89, 912600), (90, 902460), (100, 812214), (104, 780975), (108, 752050), (117, 694200), (120, 676845), (130, 624780), (135, 601640), (150, 541476), (156, 520650), (169, 480600), (178, 456300), (180, 451230), (195, 416520), (200, 406107), (216, 376025), (225, 360984), (234, 347100), (260, 312390), (267, 304200), (270, 300820), (300, 270738), (312, 260325), (325, 249912), (338, 240300), (351, 231400), (356, 228150), (360, 225615), (390, 208260), (445, 182520), (450, 180492), (468, 173550), (507, 160200), (520, 156195), (534, 152100), (540, 150410), (585, 138840), (600, 135369), (650, 124956), (675, 120328), (676, 120150), (702, 115700), (712, 114075), (780, 104130), (801, 101400), (845, 96120), (890, 91260), (900, 90246), (936, 86775), (975, 83304), (1014, 80100), (1068, 76050), (1080, 75205), (1157, 70200), (1170, 69420), (1300, 62478), (1335, 60840), (1350, 60164), (1352, 60075), (1404, 57850), (1521, 53400), (1560, 52065), (1602, 50700), (1690, 48060), (1755, 46280), (1780, 45630), (1800, 45123), (1950, 41652), (2028, 40050), (2136, 38025), (2225, 36504), (2314, 35100), (2340, 34710), (2403, 33800), (2535, 32040), (2600, 31239), (2670, 30420), (2700, 30082), (2808, 28925), (2925, 27768), (3042, 26700), (3204, 25350), (3380, 24030), (3471, 23400), (3510, 23140), (3560, 22815), (3900, 20826), (4005, 20280), (4056, 20025), (4225, 19224), (4450, 18252), (4563, 17800), (4628, 17550), (4680, 17355), (4806, 16900), (5070, 16020), (5340, 15210), (5400, 15041), (5785, 14040), (5850, 13884), (6084, 13350), (6408, 12675), (6675, 12168), (6760, 12015), (6942, 11700), (7020, 11570), (7605, 10680), (7800, 10413), (8010, 10140), (8450, 9612), (8775, 9256), (8900, 9126)]